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Finding the Fourth Proportional to 17,172.20, 25,758.78 and 6,077.32

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Solution

The fourth proportional to 17,172.20, 25,758.78 and 6,077.32 is: 9,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.20 : 25,758.78 = 6,077.32 : x
  2. Step 2: Convert to fraction form
    17,172.20/25,758.78 = 6,077.32/x
  3. Step 3: Cross multiply
    17,172.20x = 25,758.78 × 6,077.32
  4. Step 4: Simplify right side
    17,172.20x = 156,544,348.87
  5. Step 5: Solve for x
    x = 156,544,348.87/17,172.20
  6. Step 6: Final answer
    x = 9,116.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.